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Study shows neuropeptide corazonin regulates the release of diapause hormone in silkworms Diapause is a seasonal adaptation strategy of insects and animals where biological functions are put on hold, such as insect eggs that remain dormant until conditions are more favorable to hatch. This is not a passive response of dormancy to adverse situations but an actively induced state that takes place well in advance in anticipation of natural conditions. Although it has been hypothesized that the neuroendocrine systems are associated with seasonal reproductive plasticity, the morphological, physiol...

 E-Mail IMAGE: Thionin staining of embryos 8 days after oviposition in DW-injected silkworms and 60 days after oviposition in DH-injected and PTX-injected silkworms in wt of N4 strain. (Scale bar: 200μm)... view more  Credit: Copyright 2020, PNAS, Licensed under CC BY 4.0 Diapause is a seasonal adaptation strategy of insects and animals where biological functions are put on hold, such as insect eggs that remain dormant until conditions are more favorable to hatch. This is not a passive response of dormancy to adverse situations but an actively induced state that takes place well in...